Radio frequency switch box



FIG. 1 is a top plan view of a radio frequency switch box showing ournew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view shown on a scale reduced fromthat shown in FIG. 2;

FIG. 4 is a bottom plan view thereof shown on the same scale as FIG. 2;

FIG. 5 is a rear elevational view thereof shown on the same scale asFIG. 2;

FIG. 6 is a left side elevational view thereof shown on the same scaleas FIG. 3; and,

FIG. 7 is a front and upper right perspective view thereof shown on ascale slightly reduced from that shown in FIG. 3.

The ornamental design for a radio frequency switch box, as shown anddescribed.